/* ==============================================================================
   창꾸밈 (CHANG KKUMIM) 아틀리에 쇼룸 & 에디토리얼 매거진 전용 스타일시트
   Concept: Haute Couture Window Dressing & Bespoke Fabric Interior
   Palette: Warm Linen (#FAF8F5), Neutral Taupe (#F3EFEA), Deep Charcoal (#23211F), Champagne Gold (#C5A880)
   ============================================================================== */

:root {
    --bg-main: #FAF8F5;
    --bg-card: #FFFFFF;
    --bg-subtle: #F3EFEA;
    --text-primary: #23211F;
    --text-secondary: #6B6661;
    --text-muted: #9E9891;
    --accent-gold: #C5A880;
    --accent-gold-dark: #A3845B;
    --border-soft: #E8E2D9;
    --border-light: #F0EAE1;
    --shadow-soft: 0 10px 30px rgba(35, 33, 31, 0.05);
    --shadow-hover: 0 15px 35px rgba(35, 33, 31, 0.09);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --font-serif: 'Playfair Display', 'Noto Serif KR', Georgia, serif;
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    word-break: keep-all;
    overflow-x: hidden;
}

/* ================== 레이아웃 컨테이너 ================== */
.atelier-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 100px;
}

/* ================== 헤더 네비게이션 ================== */
.atelier-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-soft);
}

.brand-group {
    display: flex;
    align-items: baseline;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.brand-slogan {
    font-size: 13px;
    color: var(--accent-gold-dark);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}

.header-action {
    display: flex;
    align-items: center;
    gap: 16px;
}

.secure-call-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-soft);
}

.secure-call-btn:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.secure-call-btn .icon {
    color: var(--accent-gold-dark);
    font-size: 14px;
}

.tel-secure-img {
    height: 18px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    filter: contrast(1.1);
}

/* ================== 히어로 에디토리얼 섹션 ================== */
.atelier-hero {
    padding: 48px 0 32px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-soft);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-gold-dark);
    margin-bottom: 20px;
}

.hero-tag-en {
    display: block;
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 600;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: 38px;
    line-height: 1.35;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero-subtext {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-visual-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(35, 33, 31, 0.12);
    aspect-ratio: 16 / 9;
    background: #EBE7E0;
}

.hero-visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.hero-visual-frame:hover img {
    transform: scale(1.03);
}

.visual-floating-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.visual-floating-badge span {
    color: var(--accent-gold-dark);
    font-weight: 700;
}

/* ================== Before & After 인터랙티브 슬라이더 ================== */
.ba-showcase-section {
    margin: 60px 0;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.ba-header {
    text-align: center;
    margin-bottom: 32px;
}

.ba-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16 / 9;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    user-select: none;
    cursor: ew-resize;
    touch-action: pan-y;
    --ba-pos: 50%;
}

.ba-img-layer,
.ba-after-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ba-img-layer img,
.ba-after-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.ba-after-layer {
    z-index: 2;
    clip-path: inset(0 calc(100% - var(--ba-pos, 50%)) 0 0);
    -webkit-clip-path: inset(0 calc(100% - var(--ba-pos, 50%)) 0 0);
}

.ba-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--ba-pos, 50%);
    width: 3px;
    background: #FFFFFF;
    box-shadow: 0 0 10px rgba(0,0,0,0.45);
    z-index: 3;
    pointer-events: none;
    transform: translateX(-50%);
}

.ba-handle {
    position: absolute;
    top: 50%;
    left: var(--ba-pos, 50%);
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold-dark);
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.35);
    z-index: 10;
    pointer-events: none;
}
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold-dark);
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 10;
    pointer-events: none;
}

.ba-tag {
    position: absolute;
    top: 20px;
    padding: 6px 14px;
    background: rgba(0,0,0,0.65);
    color: #FFFFFF;
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 0.05em;
    font-weight: 600;
    z-index: 5;
}

.ba-tag.before-tag { right: 20px; }
.ba-tag.after-tag { left: 20px; background: rgba(197, 168, 128, 0.9); }

/* ================== 본문 아틀리에 섹션 공통 ================== */
.atelier-section {
    margin: 70px 0;
}

.section-header {
    margin-bottom: 36px;
}

.sub-label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.15em;
    color: var(--accent-gold-dark);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
}

/* ================== 4D 케이스 스터디 카드 ================== */
.case-card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-soft);
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-gold);
}

.case-card.highlight {
    background: var(--bg-subtle);
    border-color: var(--accent-gold);
}

.case-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-gold-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-val {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    font-weight: 500;
}

.story-prose {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-gold);
    padding: 24px 30px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-secondary);
    box-shadow: var(--shadow-soft);
}

.story-prose strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ================== 패브릭 큐레이션 쇼룸 ================== */
.curation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.curation-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.curation-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.curation-tag {
    font-size: 11px;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--accent-gold-dark);
    margin-bottom: 12px;
}

.curation-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: var(--font-serif);
}

.curation-feature {
    font-size: 12px;
    color: var(--accent-gold-dark);
    background: var(--bg-subtle);
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 14px;
    font-weight: 600;
}

.curation-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================== 프로세스 스텝 ================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 26px 20px;
    position: relative;
    box-shadow: var(--shadow-soft);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--accent-gold-dark);
    font-weight: 700;
    margin-bottom: 12px;
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ================== FAQ 아코디언 ================== */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 36px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.faq-q {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-q i {
    color: var(--accent-gold);
    font-size: 16px;
}

.faq-a {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    padding-left: 26px;
}

.local-promise-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 24px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.local-promise-box i {
    font-size: 32px;
    color: var(--accent-gold);
}

.local-promise-box p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.local-promise-box strong {
    color: var(--text-primary);
}

/* ================== 지역 크로스링크 섹션 ================== */
.cross-link-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-soft);
}

.cross-chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.cross-chip {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 30px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.cross-chip:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold-dark);
    background: #FFFDF9;
}

/* ================== 하단 고정 보안 플로팅 바 ================== */
.secure-bottom-dock {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 600px;
    background: rgba(35, 33, 31, 0.95);
    backdrop-filter: blur(12px);
    padding: 14px 24px;
    border-radius: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
    z-index: 1000;
    border: 1px solid rgba(255,255,255,0.1);
}

.dock-text {
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 500;
}

.dock-text span {
    color: var(--accent-gold);
    font-weight: 700;
}

.dock-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--accent-gold);
    color: #FFFFFF;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

.dock-action-btn:hover {
    background: var(--accent-gold-dark);
}

/* ================== 모바일 반응형 미디어 쿼리 ================== */
@media (max-width: 900px) {
    .atelier-wrapper {
        padding: 0 16px 80px;
    }
    .atelier-hero {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-headline {
        font-size: 28px;
    }
    .case-card-grid, .curation-grid, .process-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ba-showcase-section {
        padding: 24px 16px;
        margin: 40px 0;
    }
}

@media (max-width: 600px) {
    .brand-name {
        font-size: 22px;
    }
    .brand-slogan {
        display: none;
    }
    .hero-headline {
        font-size: 23px;
    }
    .section-title {
        font-size: 22px;
    }
    .case-card-grid, .curation-grid, .process-grid {
        grid-template-columns: 1fr;
    }
    .secure-bottom-dock {
        width: calc(100% - 24px);
        padding: 10px 16px;
    }
    .dock-text {
        font-size: 12px;
    }
}